Key ring opening tool



FIG. 1 is a front perspective view of a key ring opening tool showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view of FIG. 1, the left side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom planview thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a key ring opening tool, as shown and described. 